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U.S. Department of Energy
Office of Scientific and Technical Information

Method of viscosifying aqueous fluids and process for recovery of hydrocarbons from subterranean formations

Patent ·
OSTI ID:6367963
The present invention relates to a method of viscosifying aqueous fluids and a viscosifying composition which when admixed with an aqueous fluid produces a viscosity increase in the fluid in excess of the additive viscosity of the individual composition components. The viscosifying composition comprises at least one member selected from the group consisting of sulfonated guar and a compound comprising at least one member selected from the group consisting of xanthan gum, guar, hydroxypropyl guar, hydroxypropyl guar derivatives, hydroxyethyl cellulose and hydroxyethyl cellulose derivatives and cationic guar and a compound comprising at least one member selected from the group consisting of hydroxypropyl guar, hydroxypropyl guar derivatives, hydroxyethyl cellulose and hydroxyethyl cellulose derivatives.
Assignee:
Halliburton Company
Patent Number(s):
US 4524003
OSTI ID:
6367963
Country of Publication:
United States
Language:
English